When bears go to sleep for months at a time, their heart rate, metabolism, and body temperature drop to almost nothing. Despite this, their bodies apparently go into overdrive in other areas, healing wounds so that they're good as new. »3/19/12 9:45am 3/19/12 9:45am

NBC's phenom hit Heroes, the X-Men comic books, and the USA scifi series The 4400 all feature heroic mutants. These super-powered humans have been born with "mutant genes," or they've had some tinkering at the genetic level. But we still see the same powers cropping up again and again. Since the X-Men were first… »11/19/07 5:01pm 11/19/07 5:01pm

Wolverine may have a healing factor, but bad movies don't. His solo vehicle, starring Hugh Jackman, is set to begin filming next month. The film has suffered multiple setbacks, including scheduling problems, changes in filming location, casting issues, and a script that was rushed light-speed into completion in order… »11/19/07 9:30am 11/19/07 9:30am